Amphibious self-priming anti-seawater corrosion pum anticorrosion pump used corrision resistant materials ModelMCL-80AMATERIALBalance, cast steel, ... in industry, chemical industry, agriculture, pesticides, fire, construction, water treatment, marine, and so a variety of fields;2. ... if the user used improperly, the equipment in the water environment, idling, when the temperature rise reached a certain ...